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Watch 13-Story Cal State East Bay Building Topple

The accompanying YouTube video captures the dramatic and exciting moment this morning, Saturday, when the 13-story signature building of the Cal State East Bay campus came toppling down.

Warren Hall was determined a seismically unsafe building. Photo Credit: Amanda Aguilar
Warren Hall was determined a seismically unsafe building. Photo Credit: Amanda Aguilar
The signature building of the Cal State East Bay campus in Hayward – 13-story Warren Hall – toppled and collapsed in a quick, dramatic implosion this morning, Saturday, to the delight of excited onlookers.

Watch the collapse on the accompanying YouTube video posted by Benjamin Schulte-Bisping.

The 42-year-old structure perched prominently on a hill overlooking Hayward was determined to be seismically unsafe because of its proximity to the Hayward Fault. It had been deemed by the California State University Seismic Review Board as the most seismically vulnerable building in the CSU system, according to campus officials.

So about 9 a.m. today, it was brought down by 1,100 detonation charges containing 463 pounds of explosive material.

Geologists from U.S. Geological Survey, in cooperation with the univeristy and citizen volunteers, put hundreds of seismometers near Warren Hall to help map the area's geology.

The building, which opened in 1971, housed administrative offices and classrooms for what was then called Cal State Hayward.

Do you have memories of the building to share? We'd like to know in the comments below.

Mac McCarthy August 18, 2013 at 02:52 PM
It was a picture-perfect drop!
Ana Elizabeth Castillo Martin August 18, 2013 at 06:18 PM
It was amazing!!

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